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In this simple game, learners start to understand how to sort and categorize objects by trying to guess the connection between three items that someone else has chosen.

In this activity, learners use objects they find on a nature and water to make creative frozen sculptures.

With a bit of PVC, a laser, a can/cup, and a small mirror, you can make a device that visualizes you voice or any sound transmitted into the cup/can.

In this activity, learners will engineer a roof using simple materials to protect a construction paper person from a rainstorm.

In this demonstration (9th on the page), learners explore eyewitness memory and how memories differ amongst individuals. While the rest of the group is minding their own business (i.e.

MarsBound! is an engineering simulation activity in which learners use realistic techniques to plan a mission to Mars.

This activity aims to stimulate discussion on the question of whether computers can exhibit “intelligence,” or are ever likely to do so in the future.

In this online interactive challenge, learners choose items to represent the Earth or solar system, then determine other items to represent the Moon, or Milky Way based on their relative size.

In this activity, learners will use household items to design and build an elevator that will carry 2 passengers to a height of 16 inches...or higher!

In this activity, learners will explore trends in shark populations using shark landing data from the National Marine Fisheries Service.

In this online interactive simulation, learners will test the pH of liquids like coffee, spit, and soap to determine whether each is acidic, basic, or neutral.

In this demonstration, learners observe as two cola bottles and a dollar bill are arranged in a specific order: one bottle, upside down and filled with water, is placed on top of another bottle, with

In this activity, learners overlap the three primary colors to see how all other colors are made.

We're told from a young age that we have 5 senses, but we have many more. One of which is our awareness of our own body part's orientation and position.

In this quick activity, Dracula has a hole in his house and learners help solve the problem by using a mirror and protractor to reflect incoming light out of his house.

We don't normally view people upside down and so our brains aren't accustomed to it.

In this hands-on activity, learners make the world's simplest Cartesian diver, using only a plastic bottle, some water, and a condiment packet.

In this activity, learners listen to songs and decode hidden messages based on the same principle as a modem. As a final challenge, learners decode the binary messages in a music video.

In this quick and easy activity and/or demonstration, learners illustrate the effect of the weight of air over our heads.

Use this Moon Map Guide to help learners identify features on the Moon, while looking through a telescope.